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<title>MediaSessionConnector.QueueNavigator (ExoPlayer library)</title>
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<div class="subTitle"><span class="packageLabelInType">Package</span>&nbsp;<a href="package-summary.html">com.google.android.exoplayer2.ext.mediasession</a></div>
<h2 title="Interface MediaSessionConnector.QueueNavigator" class="title">Interface MediaSessionConnector.QueueNavigator</h2>
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<dt>All Superinterfaces:</dt>
<dd><code><a href="MediaSessionConnector.CommandReceiver.html" title="interface in com.google.android.exoplayer2.ext.mediasession">MediaSessionConnector.CommandReceiver</a></code></dd>
</dl>
<dl>
<dt>All Known Implementing Classes:</dt>
<dd><code><a href="TimelineQueueNavigator.html" title="class in com.google.android.exoplayer2.ext.mediasession">TimelineQueueNavigator</a></code></dd>
</dl>
<dl>
<dt>Enclosing class:</dt>
<dd><a href="MediaSessionConnector.html" title="class in com.google.android.exoplayer2.ext.mediasession">MediaSessionConnector</a></dd>
</dl>
<hr>
<pre>public static interface <span class="typeNameLabel">MediaSessionConnector.QueueNavigator</span>
extends <a href="MediaSessionConnector.CommandReceiver.html" title="interface in com.google.android.exoplayer2.ext.mediasession">MediaSessionConnector.CommandReceiver</a></pre>
<div class="block">Handles queue navigation actions, and updates the media session queue by calling <code>
 MediaSessionCompat.setQueue()</code>.</div>
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<th class="colFirst" scope="col">Modifier and Type</th>
<th class="colSecond" scope="col">Field</th>
<th class="colLast" scope="col">Description</th>
</tr>
<tr class="altColor">
<td class="colFirst"><code>static long</code></td>
<th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#ACTIONS">ACTIONS</a></span></code></th>
<td class="colLast">&nbsp;</td>
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<caption><span id="t0" class="activeTableTab"><span>All Methods</span><span class="tabEnd">&nbsp;</span></span><span id="t2" class="tableTab"><span><a href="javascript:show(2);">Instance Methods</a></span><span class="tabEnd">&nbsp;</span></span><span id="t3" class="tableTab"><span><a href="javascript:show(4);">Abstract Methods</a></span><span class="tabEnd">&nbsp;</span></span></caption>
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<td class="colFirst"><code>long</code></td>
<th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#getActiveQueueItemId(com.google.android.exoplayer2.Player)">getActiveQueueItemId</a></span>&#8203;(<a href="../../Player.html" title="interface in com.google.android.exoplayer2">Player</a>&nbsp;player)</code></th>
<td class="colLast">
<div class="block">Gets the id of the currently active queue item, or <code>MediaSessionCompat.QueueItem.UNKNOWN_ID</code> if the active item is unknown.</div>
</td>
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<tr id="i1" class="rowColor">
<td class="colFirst"><code>long</code></td>
<th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#getSupportedQueueNavigatorActions(com.google.android.exoplayer2.Player)">getSupportedQueueNavigatorActions</a></span>&#8203;(<a href="../../Player.html" title="interface in com.google.android.exoplayer2">Player</a>&nbsp;player)</code></th>
<td class="colLast">
<div class="block">Returns the actions which are supported by the navigator.</div>
</td>
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<tr id="i2" class="altColor">
<td class="colFirst"><code>void</code></td>
<th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#onCurrentWindowIndexChanged(com.google.android.exoplayer2.Player)">onCurrentWindowIndexChanged</a></span>&#8203;(<a href="../../Player.html" title="interface in com.google.android.exoplayer2">Player</a>&nbsp;player)</code></th>
<td class="colLast">
<div class="block">Called when the current window index changed.</div>
</td>
</tr>
<tr id="i3" class="rowColor">
<td class="colFirst"><code>void</code></td>
<th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#onSkipToNext(com.google.android.exoplayer2.Player,com.google.android.exoplayer2.ControlDispatcher)">onSkipToNext</a></span>&#8203;(<a href="../../Player.html" title="interface in com.google.android.exoplayer2">Player</a>&nbsp;player,
            <a href="../../ControlDispatcher.html" title="interface in com.google.android.exoplayer2">ControlDispatcher</a>&nbsp;controlDispatcher)</code></th>
<td class="colLast">
<div class="block">See <code>MediaSessionCompat.Callback.onSkipToNext()</code>.</div>
</td>
</tr>
<tr id="i4" class="altColor">
<td class="colFirst"><code>void</code></td>
<th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#onSkipToPrevious(com.google.android.exoplayer2.Player,com.google.android.exoplayer2.ControlDispatcher)">onSkipToPrevious</a></span>&#8203;(<a href="../../Player.html" title="interface in com.google.android.exoplayer2">Player</a>&nbsp;player,
                <a href="../../ControlDispatcher.html" title="interface in com.google.android.exoplayer2">ControlDispatcher</a>&nbsp;controlDispatcher)</code></th>
<td class="colLast">
<div class="block">See <code>MediaSessionCompat.Callback.onSkipToPrevious()</code>.</div>
</td>
</tr>
<tr id="i5" class="rowColor">
<td class="colFirst"><code>void</code></td>
<th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#onSkipToQueueItem(com.google.android.exoplayer2.Player,com.google.android.exoplayer2.ControlDispatcher,long)">onSkipToQueueItem</a></span>&#8203;(<a href="../../Player.html" title="interface in com.google.android.exoplayer2">Player</a>&nbsp;player,
                 <a href="../../ControlDispatcher.html" title="interface in com.google.android.exoplayer2">ControlDispatcher</a>&nbsp;controlDispatcher,
                 long&nbsp;id)</code></th>
<td class="colLast">
<div class="block">See <code>MediaSessionCompat.Callback.onSkipToQueueItem(long)</code>.</div>
</td>
</tr>
<tr id="i6" class="altColor">
<td class="colFirst"><code>void</code></td>
<th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#onTimelineChanged(com.google.android.exoplayer2.Player)">onTimelineChanged</a></span>&#8203;(<a href="../../Player.html" title="interface in com.google.android.exoplayer2">Player</a>&nbsp;player)</code></th>
<td class="colLast">
<div class="block">Called when the timeline of the player has changed.</div>
</td>
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<h3>Methods inherited from interface&nbsp;com.google.android.exoplayer2.ext.mediasession.<a href="MediaSessionConnector.CommandReceiver.html" title="interface in com.google.android.exoplayer2.ext.mediasession">MediaSessionConnector.CommandReceiver</a></h3>
<code><a href="MediaSessionConnector.CommandReceiver.html#onCommand(com.google.android.exoplayer2.Player,com.google.android.exoplayer2.ControlDispatcher,java.lang.String,android.os.Bundle,android.os.ResultReceiver)">onCommand</a></code></li>
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<h4>ACTIONS</h4>
<pre>static final&nbsp;long ACTIONS</pre>
<dl>
<dt><span class="seeLabel">See Also:</span></dt>
<dd><a href="../../../../../../constant-values.html#com.google.android.exoplayer2.ext.mediasession.MediaSessionConnector.QueueNavigator.ACTIONS">Constant Field Values</a></dd>
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<h4>getSupportedQueueNavigatorActions</h4>
<pre class="methodSignature">long&nbsp;getSupportedQueueNavigatorActions&#8203;(<a href="../../Player.html" title="interface in com.google.android.exoplayer2">Player</a>&nbsp;player)</pre>
<div class="block">Returns the actions which are supported by the navigator. The supported actions must be a
 bitmask combined out of <code>PlaybackStateCompat.ACTION_SKIP_TO_QUEUE_ITEM</code>, <code>PlaybackStateCompat.ACTION_SKIP_TO_NEXT</code>, <code>PlaybackStateCompat.ACTION_SKIP_TO_PREVIOUS</code>.</div>
<dl>
<dt><span class="paramLabel">Parameters:</span></dt>
<dd><code>player</code> - The player connected to the media session.</dd>
<dt><span class="returnLabel">Returns:</span></dt>
<dd>The bitmask of the supported media actions.</dd>
</dl>
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<h4>onTimelineChanged</h4>
<pre class="methodSignature">void&nbsp;onTimelineChanged&#8203;(<a href="../../Player.html" title="interface in com.google.android.exoplayer2">Player</a>&nbsp;player)</pre>
<div class="block">Called when the timeline of the player has changed.</div>
<dl>
<dt><span class="paramLabel">Parameters:</span></dt>
<dd><code>player</code> - The player connected to the media session.</dd>
</dl>
</li>
</ul>
<a id="onCurrentWindowIndexChanged(com.google.android.exoplayer2.Player)">
<!--   -->
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<h4>onCurrentWindowIndexChanged</h4>
<pre class="methodSignature">void&nbsp;onCurrentWindowIndexChanged&#8203;(<a href="../../Player.html" title="interface in com.google.android.exoplayer2">Player</a>&nbsp;player)</pre>
<div class="block">Called when the current window index changed.</div>
<dl>
<dt><span class="paramLabel">Parameters:</span></dt>
<dd><code>player</code> - The player connected to the media session.</dd>
</dl>
</li>
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<a id="getActiveQueueItemId(com.google.android.exoplayer2.Player)">
<!--   -->
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<h4>getActiveQueueItemId</h4>
<pre class="methodSignature">long&nbsp;getActiveQueueItemId&#8203;(@Nullable
                          <a href="../../Player.html" title="interface in com.google.android.exoplayer2">Player</a>&nbsp;player)</pre>
<div class="block">Gets the id of the currently active queue item, or <code>MediaSessionCompat.QueueItem.UNKNOWN_ID</code> if the active item is unknown.

 <p>To let the connector publish metadata for the active queue item, the queue item with the
 returned id must be available in the list of items returned by <code>MediaControllerCompat.getQueue()</code>.</div>
<dl>
<dt><span class="paramLabel">Parameters:</span></dt>
<dd><code>player</code> - The player connected to the media session.</dd>
<dt><span class="returnLabel">Returns:</span></dt>
<dd>The id of the active queue item.</dd>
</dl>
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<a id="onSkipToPrevious(com.google.android.exoplayer2.Player,com.google.android.exoplayer2.ControlDispatcher)">
<!--   -->
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<h4>onSkipToPrevious</h4>
<pre class="methodSignature">void&nbsp;onSkipToPrevious&#8203;(<a href="../../Player.html" title="interface in com.google.android.exoplayer2">Player</a>&nbsp;player,
                      <a href="../../ControlDispatcher.html" title="interface in com.google.android.exoplayer2">ControlDispatcher</a>&nbsp;controlDispatcher)</pre>
<div class="block">See <code>MediaSessionCompat.Callback.onSkipToPrevious()</code>.</div>
<dl>
<dt><span class="paramLabel">Parameters:</span></dt>
<dd><code>player</code> - The player connected to the media session.</dd>
<dd><code>controlDispatcher</code> - A <a href="../../ControlDispatcher.html" title="interface in com.google.android.exoplayer2"><code>ControlDispatcher</code></a> that should be used for dispatching
     changes to the player.</dd>
</dl>
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<h4>onSkipToQueueItem</h4>
<pre class="methodSignature">void&nbsp;onSkipToQueueItem&#8203;(<a href="../../Player.html" title="interface in com.google.android.exoplayer2">Player</a>&nbsp;player,
                       <a href="../../ControlDispatcher.html" title="interface in com.google.android.exoplayer2">ControlDispatcher</a>&nbsp;controlDispatcher,
                       long&nbsp;id)</pre>
<div class="block">See <code>MediaSessionCompat.Callback.onSkipToQueueItem(long)</code>.</div>
<dl>
<dt><span class="paramLabel">Parameters:</span></dt>
<dd><code>player</code> - The player connected to the media session.</dd>
<dd><code>controlDispatcher</code> - A <a href="../../ControlDispatcher.html" title="interface in com.google.android.exoplayer2"><code>ControlDispatcher</code></a> that should be used for dispatching
     changes to the player.</dd>
</dl>
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<h4>onSkipToNext</h4>
<pre class="methodSignature">void&nbsp;onSkipToNext&#8203;(<a href="../../Player.html" title="interface in com.google.android.exoplayer2">Player</a>&nbsp;player,
                  <a href="../../ControlDispatcher.html" title="interface in com.google.android.exoplayer2">ControlDispatcher</a>&nbsp;controlDispatcher)</pre>
<div class="block">See <code>MediaSessionCompat.Callback.onSkipToNext()</code>.</div>
<dl>
<dt><span class="paramLabel">Parameters:</span></dt>
<dd><code>player</code> - The player connected to the media session.</dd>
<dd><code>controlDispatcher</code> - A <a href="../../ControlDispatcher.html" title="interface in com.google.android.exoplayer2"><code>ControlDispatcher</code></a> that should be used for dispatching
     changes to the player.</dd>
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